RBSE Solutions for Class 7 Social Science Geography Chapter 9 Life in the Deserts

Rajasthan Board RBSE Solutions for Class 7 Social Science Geography Chapter  9 Life in the Deserts Textbook Exercise Questions and Answers.

RBSE Class 7 Social Science Solutions Geography Chapter  9 Life in the Deserts

RBSE Class 7 Social Science Life in the Deserts InText Questions and Answers

Page 67 

Question 1. 
Scientists have actually found skeletons of fish in Sahara -desert. What could have happened? 
Answer: 
Earlier Sahara must have been a green and fertile region. But excessive and intensive use of land for cultivation, large- scale deforestation, excessive pollution of land, air, water, and soil erosion could have led to the conversion of land into a desert. ‘Gradually, the green flourishing region must have had converted into vellow barren land.

Page 69 

Question 1.
Can you name some more passes in the Himalayas?
Answer: 
Some more passes in Himalayas are:

1. Burjila
2. Pir Panjal
3. Zozila 
4. Banichal
5. Badalacha
6. Shipkila
7. Rohtang

RBSE Class 7 Social Science Life in the Deserts Textbook Questions and Answers

Question 1. 
Answer the following questions:
(a) What are the two types of deserts found in the world?
Answer: 
There are two types of deserts found in the world:

1. Hot: Sahara
2. Cold: Ladakh.

(b) In which continent is the Sahara desert located?
Answer: 
Sahara desert is located in the continent of Africa.

(c)What are the climatic conditions of the Ladakh desert?
Answer: 
Climatic conditions of Ladakh desert are as following:

1. Climate is extremely cold and dry.
2. Due to its location at higher altitude, the air is so thin that the heat of the sun can be felt intensely.
3. The day temperatures in summer are just above zero degree and the night temperatures are below 30°C. 
4. It is freezing cold in the winters when temperatures remain below -40°C.
5. It experiences freezing winds and burning hot sunlight during the day.

(d) What mainly attracts tourists to Ladakh?
Answer: 
The following things attract tourists in Ladakh:

1. Gompas,
2. Treks to see the meadows
3. Glaciers,
4. Ceremonies and festivals.

(e) What type of clothes the people of the Sahara desert wear?
Answer: 
People in Sahara desert wear heavy robes as protection against dust storms and hot winds. Their clothes are made up to animals hairs.

(f) Name the trees that grow in Ladakh .
Answer: 
The following trees grow in Ladakh:

1. Groves of willows and poplars.
2. Fruit trees such as apples, apricots and walnuts.

Question 2. 
Tick the correct answer:
(i) Sahara is located in which part of Africa:
(a) eastern  
(b) northern
(c) western
Answer: 
(b) northern

(ii)What is the type of Sahara desert 
(a) Cold 
(b) Hot
(c) Mild
Answer: 
(b) Hot

(iii) The Ladakh desert is mainly inhabited by:
(a) Christians and Muslims
(b) Buddhists and Muslims
(c) Christians and Buddhists
Answer: 
(b) Buddhists and Muslims

(iv) Desert are characterised by:
(a) scanty vegetation
(b) heavy precipitation
(c) low evaporation
Answer: 
(a) scanty vegetation

(v) Hemis in the Ladakh is a famous:
(a) temple 
(b) church
(c) monastery
Answer: 
(c) monastery

(vi) Egypt is famous for growing:
(a) wheat 
(b) maize
(c) cotton
Answer: 
(c) cotton

Question 3. 
Match the following 

Answer:

 

Question  4. 
Give reasons:
(i) There is scanty vegetation in the desert.
Answer: 
There is scanty vegetation in the deserts due to following reasons:
The growth of vegetation depends on climate and soil. Climate in the desert has extreme conditions either too hot or too cold and dry.'Such climate does not allow the growth of vegetation. Desert experiences less rainfall which leads to scanty vegetation. In desert areas, soil is either sandy or covered with snow,-both types are not favourable for vegetation.

(ii) People of the Sahara desert wear heavy robes.
Answer: 
People of Sahara desert wear heavy robes because these robes are heavy and they provide protection against dust storms and hot winds.